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Propagation of hotspot volcanism driven flexure in oceanic crust – 85°E Ridge case study

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216224%3A14310%2F17%3A00096370" target="_blank" >RIV/00216224:14310/17:00096370 - isvavai.cz</a>

  • Result on the web

    <a href="http://dx.doi.org/10.1016/j.marpetgeo.2017.01.021" target="_blank" >http://dx.doi.org/10.1016/j.marpetgeo.2017.01.021</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1016/j.marpetgeo.2017.01.021" target="_blank" >10.1016/j.marpetgeo.2017.01.021</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Propagation of hotspot volcanism driven flexure in oceanic crust – 85°E Ridge case study

  • Original language description

    The study focuses on the flexural down-warping of oceanic crust related to the Early Cretaceous hotspot volcanic chain in offshore East India, drawing from robust reflection seismic coverage of the 85°E Ridge and associated moats and arches. Seismic data image three moat-filling units including the basal pelagic, landslide and ponded units, representing the sedimentary record preceding, coeval and postponing flexure. Their stacking patterns allow one to understand the flexural history of the oceanic crust reacting to the volcanic load, in space and time. The flexural history of the oceanic crust can be divided into four stages. The first stage is the brittle faulting-assisted flexure reacting to the appearance of the load. It has a short wavelength and controls the development of moat undergoing deposition of the landslide unit. Then follows the long-wavelength flexure, when the arch starts to develop. The flexural arch formation prevents the landslide unit from covering it, while the moat keeps subsiding. The third flexure stage is a short-wavelength deformation when the moat and arch subside together. Accordingly, the syn-flexural landslide unit records an initial rapid and a later slower subsidence. The fourth flexure stage is characterized by the passive infill of moat by sediments of ponded unit, although limited isostatic adjustments can occur, accompanied by mass wasting.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    10507 - Volcanology

Result continuities

  • Project

  • Continuities

    S - Specificky vyzkum na vysokych skolach

Others

  • Publication year

    2017

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Marine and Petroleum Geology

  • ISSN

    0264-8172

  • e-ISSN

    1873-4073

  • Volume of the periodical

    82

  • Issue of the periodical within the volume

    April

  • Country of publishing house

    GB - UNITED KINGDOM

  • Number of pages

    20

  • Pages from-to

    134-153

  • UT code for WoS article

    000398870100009

  • EID of the result in the Scopus database

    2-s2.0-85013850273